The first weekend of Ultra Music Festival 2013 kicked off in downtown Miami bringing with it an influx of big beats and plenty of bass. Swedish House Mafia said farewell to fans in the first of two performances at the festival. Also performing opening day was Afrojack, Fedde Le Grande, Paul van Dyk, Boys Noize, Crystal Castles, Nicolas Jaar, Fatboy Slim, Carl Cox, ATB, and more.